EP 0336691 A3 19920304 - THERMAL TRANSFER PRINTER
Title (en)
THERMAL TRANSFER PRINTER
Publication
Application
Priority
JP 8393188 A 19880405
Abstract (en)
[origin: EP0336691A2] A thermal transfer printer is provided for reproducing an original gradated image comprising a plurality of image elements which have individual gradations in the form of a printed image comprising a plurality of image elements and having an image density determined by the number of image elements printed per unit section. A latch circuit (1) receives and latches an input train of image bit data representing the gradations of the image elements of the original image. A data processor (2-5) converts the latched image bit data into a train of binary image bit data representing the image density of the original image to be reproduced. A printing unit (6) is arranged to receive the train of binary image bit data representing the image density of the original image to be reproduced and is operative selectively to print individual image elements such that the image density of the printed image is represented in terms of the number of image elements printed per unit section. <IMAGE>
IPC 1-7
IPC 8 full level
B41J 2/355 (2006.01); B41J 2/525 (2006.01); H04N 1/405 (2006.01)
CPC (source: EP US)
H04N 1/4055 (2013.01 - EP US)
Citation (search report)
- [Y] DE 2616947 A1 19761028 - OKI ELECTRIC IND CO LTD
- [Y] US 3580995 A 19710525 - KLENSCH RICHARD J
- [A] US 3977007 A 19760824 - BERRY JAMES M, et al
- [A] GB 2098022 A 19821110 - DAINIPPON SCREEN MFG
- [A] PATENT ABSTRACTS OF JAPAN vol. 5, no. 192 (E-85)(864) 8 December 1981 & JP-A-56 115 073 ( CANON ) 10 September 1981
- [A] PATENT ABSTRACTS OF JAPAN vol. 11, no. 224 (E-525)(2671) 21 July 1987 & JP-A-62 040 872 ( SEIKOSHA CO ) 21 February 1987 & US-A-4 843 408 27 June 1989
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0336691 A2 19891011; EP 0336691 A3 19920304; JP H01255568 A 19891012; US 4991113 A 19910205
DOCDB simple family (application)
EP 89303287 A 19890404; JP 8393188 A 19880405; US 33280789 A 19890403